Rectangular bell structure



FIG. 1 is a perspective view of a rectangular bell structure of the claimed design taken from the front, top, and right side;

FIG. 2 is a front elevational view of the rectangular bell structure thereof;

FIG. 3 is a rear elevational view of the rectangular bell structure thereof;

FIG. 4 is a left side elevational view of the rectangular bell structure thereof;

FIG. 5 is a right side elevational view of the rectangular bell structure thereof; and,

FIG. 6 is a top plan view of the rectangular bell structure thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a rectangular bell structure, as shown and described. 